Service difficulty report · Valve · Boeing 777222

Difficulty date
November 17, 2009
Submitted
November 18, 2009
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
55,276 hours, 8,095 cycles
Engine
Pwa PW40903
Part
Valve
Part number
8102044
Part serial
1035
Condition
Malfunctioned
Location
Left
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT PACK SHUT DOWN ON GATE WITH LEFT PACK EICAS MSG MULTIPLE RESETS. REPLACED LT UPPER FLOW CONTROL VALVE, OPS CHECKS NORMAL.